Hanson Chemicals

Sorbic Acid

Formula: C₆H₈O₂
CAS Number: 110-44-1
EC Number (EINECS): 205-768-7
HS Code: 29162300
UN Number: 3077 (Environmentally Hazardous Substance, solid, n.o.s.)
IUPAC Name: (2E,4E)-Hexa-2,4-dienoic Acid
Also Known As: 2,4-Hexadienoic Acid
Molecular Weight, g/mol: 112.13

Typical Specifications

Appearance: White crystalline powder
Odor: Slight fatty / weak acid
Melting Point, °C: 135–138
Boiling Point, °C: 228–230
Density, g/cm³ (at 20°C): 1.36
Flash Point, °C: 140 (closed cup)
Solubility: Slightly soluble in water, soluble in ethanol and acetone
pH (1% solution): ~3.0–4.0
Purity, %: ≥99.0
Grades Available: Food Grade, Technical Grade
Packaging: 25kg bags, 500kg drums, bulk supply

Applications / Uses

Primary Applications

  • Food preservative to inhibit mold, yeast, and fungi in baked goods, cheese, beverages

  • Raw material in manufacturing of sorbate salts (potassium sorbate, calcium sorbate)

Secondary Applications

  • Used in cosmetics and personal care products for preservation

  • Intermediate in chemical synthesis

End Industries Served: Food & Beverage, Cosmetics, Pharmaceuticals, Chemical Manufacturing

Safety & Handling Information

Hazard Class (GHS): Not classified as hazardous; may cause mild irritation

Hazard Statements (H-Codes):

  • H319: Causes serious eye irritation (dust)

Precautionary Statements (P-Codes):

  • P280: Wear protective gloves/eye protection

  • P261: Avoid breathing dust

  • P305 + P351 + P338: IF IN EYES – rinse cautiously with water, remove contact lenses if present

Storage Conditions

  • Store in cool, dry, ventilated area

  • Protect from moisture and contamination

  • Keep packaging tightly closed

Transport Information

  • ADR/RID: UN3077, Class 9, PG III

  • IMDG: UN3077, Class 9, PG III

  • IATA: UN3077, Class 9, PG III

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